import { Injectable, Logger } from '@nestjs/common';

@Injectable()
export class YooMoneyService {
  private readonly logger = new Logger(YooMoneyService.name);

  constructor() {
    // 初始化YooMoney配置
    // 实际实现需要YooMoney商户账号等信息
  }

  /**
   * 创建YooMoney支付订单
   * @param amount 金额
   * @param description 描述
   * @returns 支付参数
   */
  async createOrder(amount: number, description: string): Promise<any> {
    this.logger.log(`Creating YooMoney order for amount: ${amount}`);

    try {
      // 实际实现需要调用YooMoney支付接口
      // 这里返回模拟数据
      const order = {
        id: 'YOOMONEY' + Date.now(),
        status: 'pending',
        amount: {
          value: amount.toFixed(2),
          currency: 'RUB',
        },
        description: description,
        confirmation: {
          type: 'redirect',
          confirmation_url: 'https://yoomoney.ru/transfer/confirm',
        },
        created_at: new Date().toISOString(),
      };

      return order;
    } catch (error) {
      this.logger.error('Failed to create YooMoney order', error);
      throw new Error('Failed to create YooMoney order');
    }
  }

  /**
   * 查询订单状态
   * @param orderId 订单ID
   * @returns 订单状态
   */
  async queryOrder(orderId: string): Promise<any> {
    this.logger.log(`Querying YooMoney order: ${orderId}`);

    try {
      // 实际实现需要调用YooMoney查询订单接口
      // 这里返回模拟数据
      return {
        status: 'succeeded', // pending/waiting_for_capture/succeeded/canceled
      };
    } catch (error) {
      this.logger.error(`Failed to query YooMoney order: ${orderId}`, error);
      throw new Error('Failed to query YooMoney order');
    }
  }
}
